Authors： V. N. Khabarov, P. Y. Boykov, M. A. Selyanin, Editor： Felix Polyak

Format： Hardback | 216 pages
Dimensions： 171 x 251 x 16mm | 584g
Publication date： 16 Mar 2015
 

内容简介：

Hyaluronic acid is an essential part of connective, epithelial and neural tissues, and contributes to cell proliferation and migration.
It is used as a stimulating agent for collagen synthesis and is a common ingredient in skin-care products, a multi-billion dollar industry, as it is believed to be a key factor in fighting the aging process.

Hyaluronic Acid: Production, Properties, Application in Biology and Medicine consists of six chapters discussing the various issues of hyaluronic acid research. In Chapter 1, a historical analysis recounts the discovery and milestones of the research leading to the practical applications of hyaluronan. Chapter 2 is dedicated to biological role of the hyaluronic acid in nature, in particular in the human body. The chapter starts from the phylogenesis of hyaluronic acid, then describes hyaluronan functions in human ontogenesis and especially the role which hyaluronan plays in extracellular matrix of the different tissues. Chapter 3 describes the methods to manufacture and purify hyaluronic acid, including the analytical means for assessing quality of the finished product. Chapter 4 discusses the structure and rheological properties of hyaluronic acid considering effects on conformation and biological properties related to molecular weight. In Chapter 5, the physical and chemical methods for modifying the structure of hyaluronan are discussed including cross-linking using bi-functional reagents, solid-phase modification and effects of the combined action of high pressures and shift deformation. The final chapter focuses on the products derived from hyaluronic acid, including therapeutics composed of modified hyaluronan conjugated to vitamins, amino acids and oligo-peptides. The biological roles and medical applications of this polysaccharide have been extensively studied and this book provides a wealth of scientific data demonstrating the critical role of hyaluronic acid and its promise as a multifaceted bio-macromolecule.

Approaching hyaluronic acid from multiple angles, this book links relationships between its biological functions, structure and physical–chemical properties. It will be an invaluable resource to researchers, both industrial and academic, involved in all aspects of hyaluronan-based technologies.
 

Table of Content

Foreword xi

Introduction xiii

1 The History of Hyaluronic Acid Discovery, Foundational Research and Initial Use 1

1.1 Discovery 1

1.2 Foundational Research 2

1.3 Initial Medical Applications 3

1.4 Sources of Hyaluronan 4

1.5 Current Medical Study and Use 6

1.6 Impact and Future Directions 7

References 7

2 The Biological Role of Hyaluronic Acid 9

2.1 Hyaluronic Acid Phylogenesis 9

2.1.1 Polysaccharide Structure and the Problems of Phylogenesis 13

2.1.2 Physico-Chemical and Functional Differences of Polysaccharides 18

2.1.3 Biochemical Features of Hyaluronic Acid and Other Glycosaminoglycans 20

2.2 Functions of Hyaluronan in Human Ontogenesis 22

2.2.1 Role of Hyaluronic Acid in Fertilization 22

2.2.2 Hyaluronan and Other Glucosaminoglycans in Cell Division, Migration and Differentiation 25

2.2.3 Hyaluronic Acid and Sulfated Glycosaminoglycans in Maintaining a Differentiated Status of Cells 33

2.2.4 Hyaluronan and Induction of Cellular Cycles for Differentiated Cells 35

2.2.5 The Source of Hyaluronic Acid’s Functional Properties and the Dynamics of its Synthesis and Degradation 44

2.2.6 The Rules of Biopolymer Functional Cleavage 52

2.3 Hyaluronan Signalling Systems 53

2.4 Hyaluronan Functions in the Extracellular Matrix 59

2.4.1 Extracellular Space 60

2.4.2 Composition and Functioning of the Extracellular Matrix 60

2.4.3 The Role of Hyaluronan in Transportation of Substances through the Extracellular Matrix: Diffusion, Osmosis, Electro-Osmosis and Vesicular Transportation 63

2.4.4 Hyaluronan in the Extracellular Matrix of Different Connective Tissues 65

References 67

3 Methods of Hyaluronic Acid Production 77

3.1 Hyaluronan Sources and Extraction 77

3.1.1 Hyaluronan Production from Animal Sources: General Methods 77

3.1.2 Hyaluronan Purification 78

3.1.3 The Chemical Production of Hyaluronan from Chicken Combs 81

3.1.4 HA Production for Ophthalmology 82

3.2 Bacterial Methods of Hyaluronic Acid Production 84

3.3 Hyaluronan Destruction during Production, Storage and Sterilization 85

3.4 Enzymatic Destruction of Hyaluronan 86

3.4.1 Hyaluronidase Classification 86

3.4.2 Properties and Functions of Hyaluronidases 87

3.5 Non-Enzymatic Destruction of Hyaluronan 88

3.5.1 Acid-Base Hydrolysis of Hyaluronan 88

3.5.2 Oxidation-Reduction Depolymerization of Hyaluronan 88

3.6 Quality of Hyaluronan Commercial Products of Animal and Bacterial Origin 89

References 92

4 Molecular and Supramolecular Structure of Hyaluronic Acid 97

4.1 Primary Structure of Hyaluronic Acid 97

4.2 Structure of Hyaluronan in Solution 101

4.3 Rheological Properties of Hyaluronic Acid 104

References 116

5 Chemical Modifications, Solid Phase, Radio-Chemical and Enzymatic Transformations of Hyaluronic Acid 121

5.1 Main Characteristics of Cross-Linked Hydrogels 122

5.2 Methods of Hyaluronic Acid Cross-Linking 124

5.2.1 Cross-Linking with Carbodiimides 124

5.2.2 Cross-Linking with Aldehydes 126

5.2.3 Cross-Linking with Divinylsulfone 126

5.2.4 Cross-Linking by the Ions of Polyvalent Metals 127

5.2.5 Cross-Linking with Epoxides 127

5.2.6 Photo-Cross-Linking 128

5.2.7 Solid-State Cross-Linking under High Pressure and Shear Deformation (Solid-State Reactive Blending: SSRB) 130

5.3 Radiochemical Transformations (Radiolysis) of Hyaluronan Aqueous Solutions 134

References 137

6 Medical Applications of Hyaluronan 143

6.1 Hyaluronan and Aesthetic Medicine 143

6.1.1 Intradermal Hyaluronan-Based Microimplants 143

6.1.2 Cross-Linking of Hyaluronan into a Three-Dimensional Network 144

6.1.3 Hyaluronic Acid in Injection Cosmetology (Biorevitalization) 150

6.1.4 Molecular Weight of Hyaluronan in Biorevitalization Products 151

6.1.5 Antioxidant Efficiency of Hyaluronan and other Biologically Active Compounds as Potential Products for Aesthetic Medicine 154

6.1.6 Bio-Repairants as a New Class of Injectable Products Based on Hyaluronic Acid Modified with Low Molecular Weight Bio-Regulators 161

6.2 Hyaluronan in Arthrology 170

6.3 Hyaluronan in Ophthalmology 176

6.4 Hyaluronan in Oncology 176

6.5 The Role of Hyaluronan in Healing Wounds 183

6.6 Hyaluronan in Immunology 186

References 186

Conclusion 193

Index 195

 

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